diff --git a/.hgtags b/.hgtags
index 720808bd46..c46b821455 100644
--- a/.hgtags
+++ b/.hgtags
@@ -16,3 +16,4 @@ e32589a3bcb51b0afa39c03add8945cd551ef58a 4.8.0
 1f0897f8bf5b6d063011d84250c4d9f2eb54ccbe 5.0.0
 8ae25e38066bc15ac698466d9ed1ff869b5a314a 5.2.0
 00af805dd3e38da7fb98f605bf0122592158c0f6 5.4.0
+724b009489d5ad49fe41028cc9409b60c263b672 5.6.0